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[RFI] RFI suppression cores for 147 MHz

To: RFI@contesting.com
Subject: [RFI] RFI suppression cores for 147 MHz
From: N1BUG <paul@n1bug.com>
Date: Wed, 27 Feb 2013 11:42:47 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
I could use a little guidance. I have a case involving radiation from ethernet cables at 147 MHz. The common clamp-on cores seem to offer about 250-300 ohms ESR. It looks like I probably need a lot of them to clean this up, and there are several cables involved. Is there any core which would give more suppression with 2 or 3 turns of the cable through it? Thanks for any info or suggestions.

73
--
Paul Kelley, N1BUG
RFI Committee chair,
Piscataquis Amateur Radio Club
http://www.k1pq.org
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